Peter Osborne 1771

I am wondering if someone can help me with Peter Osborne 1675 who brought his family to America in 1711. He lived in this country approximately one year before he died (1712)and was buried in Philadelphia. He was married to Judith Deuce. He is on the Quaker list for 1711 when George Fox brought a bunch of Quakers to America. His son, Samuel, born 1711, wife, Frances Buffington, had a son, Peter, born 1742. All of these people lived in Westtown, Chester County, PA for a long time. Peter had a son, born 1771 named Joseph. My question is did this Joseph get married and have any children as I can not find out anything about him other than his father was Peter Osborne and his mother Elizabeth Hunt of Westtown, Chester, Pa. There were at least 7 children. In reverse tracing of my family I trace to a Josephus or Joseph Jr. 1793 of Marion Center, Indiana Cty, Pa who married Sarah Kinter of Indiana Cty, Pa. Are these two families related. Both seem to stop at this junction. There seems to be two different Osbornes. It seems like Joseph 1771 had to be the one who went to indiana County, Pa. The Joseph Jr. kept going back to Westtown and had several children born in Goschhoppen, Berks Pa. and would always return back to Indiana County. My GG Grandfather James I do believe took off for Ohio from York, York County, Pa. All of these cities have strong Quaker ties, right. He was married to Jane Eliza Cyphert, 1840 and then to Rebecca Welder, 1844. I only pick up the Welders in the 1840 Ceusus in York County, Pa. There is a Joseph Osborn and family there too. Did the Quakers have to return to home base to reaffirm their beliefs? I do not know why the family kept going back to Westtown and the West Chester area and then finally show in the York 1840 census and then they are gone again. When I start getting into tracing my family, I got mixed in with another Osborne family that came into America and then went to Delaware and then on to North Carolina. I reversed the line and came to Josephus Osborne Jr. If there is a junior, there has to be a senior. I am a junior, there was a senior. Another thing why the spelling of Josephus? Is this something special? Is it a Quaker spelling of the name? Just wondered. In looking at other indexes throughout the census, I see other names spelt with the "us" on the end of the name. Can anyone help me in my questions here, please????? Earl Jr.